Finding the Fourth Proportional to 1,413,197.40, 2,116,685.70 and 851,251.80
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Solution
The fourth proportional to 1,413,197.40, 2,116,685.70 and 851,251.80 is: 1,275,004.12
Step by Step Solution
- Step 1: Write the proportion equation
1,413,197.40 : 2,116,685.70 = 851,251.80 : x - Step 2: Convert to fraction form
1,413,197.40/2,116,685.70 = 851,251.80/x - Step 3: Cross multiply
1,413,197.40x = 2,116,685.70 × 851,251.80 - Step 4: Simplify right side
1,413,197.40x = 1,801,832,512,159.26 - Step 5: Solve for x
x = 1,801,832,512,159.26/1,413,197.40 - Step 6: Final answer
x = 1,275,004.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.